Bonemeal root builder 35kg westlands natural slow release organic source of phosphorous to promote strong root growth and healthy establishment of plantsformulated for use all around the garden ideal when planting trees and shrubs for developing vigorous root systemsrecommended application rate a 10kg bucket treats up to 142m2 of garden for best results the product should be worked thoroughly into the soil and the soil moistened generously after application during dry weather water b